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2 Cu2O + O2 = 4 CuO
NaCl + K3(Fe(CN)6) + FeMg = (Fe)NaCl + MgK3(Fe(CN)6) =>
NaCl + K3(Fe(CN)6) + FeMg = (Fe)NaCl + MgK3(Fe(CN)6)
Pb2SO4(ag) + BaCl2(ag) = BaSO4(s) + PbCl(ag) =>
Pb2SO4(ag) + BaCl2(ag) = BaSO4(s) + 2 PbCl(ag)
CH3COOH + H2O = CH3COO + H3O =>
CH3COOH + H2O = CH3COO + H3O
Ba(Br2O3)2 + NaOH = Ba(OH)2 + NaBr + O2 + H2O =>
2 Ba(Br2O3)2 + 8 NaOH = 2 Ba(OH)2 + 8 NaBr + 7 O2 + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
NH3 + Na2CrO4 = Cr2O3 + H2O + N2 + NaOH =>
2 NH3 + 2 Na2CrO4 = Cr2O3 + H2O + N2 + 4 NaOH
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
C6H5NO2 + Fe + H2O = C6H5NH2 + Fe3O4 =>
4 C6H5NO2 + 9 Fe + 4 H2O = 4 C6H5NH2 + 3 Fe3O4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Pb3O4 + NaNO2 + H2SO4 = PbSO4 + NaNO3 + H2O =>
Pb3O4 + NaNO2 + 3 H2SO4 = 3 PbSO4 + NaNO3 + 3 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NiCl2 + H2O = NiOHCl + HCl =>
NiCl2 + H2O = NiOHCl + HCl
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
Na2SO3 + KI3 + OH{-} = KI + Na2SO4 + I{-} + H2O =>
Na2SO3 + KI3 + 2 OH{-} = KI + Na2SO4 + 2 I{-} + H2O
Ca(C2H3O2)2H2O + K2CO3 = CaCO3 + KC2H3O2 + H2O =>
Ca(C2H3O2)2H2O + K2CO3 = CaCO3 + 2 KC2H3O2 + H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CrCl3 + H2O = CrOH + H2 + Cl =>
2 CrCl3 + 2 H2O = 2 CrOH + H2 + 6 Cl
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
NH4 + Cr2O7 = (NH4)2Cr2O7 =>
2 NH4 + Cr2O7 = (NH4)2Cr2O7
CrCl3 + Na2CO3 + HCl = Cr(OH)3 + CO2 + NaCl =>
CrCl3 + 3 Na2CO3 + 3 HCl = Cr(OH)3 + 3 CO2 + 6 NaCl
Zn(H2O)4{+2} + CN{-} = Zn(CN)4{2-} + H2O =>
Zn(H2O)4{+2} + 4 CN{-} = Zn(CN)4{2-} + 4 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KAu(CN)4 + KAu(CN)2Cl2 + KHCl2 + [(Fe(CN)3)4(Fe(CN)2)3] + [PtCl3(H2O)7] = [Pt(NH3)2(C5H4ON)]2(NO3)2(H2O)2 + K399Fe(CN)6 + HAuCl3 + NO2 =>
2793 KAu(CN)4 + 8347 KAu(CN)2Cl2 + 32.000000000005KHCl2 + 4[(Fe(CN)3)4(Fe(CN)2)3] + 5554[PtCl3(H2O)7] = 2777[Pt(NH3)2(C5H4ON)]2(NO3)2(H2O)2 + 28 K399Fe(CN)6 + 11140 HAuCl3 + 5554 NO2
CH3CH2OH + KMnO4 + H2SO4 = CH3COOH + K2SO4 + H2O + MnSO4 =>
5 CH3CH2OH + 4 KMnO4 + 6 H2SO4 = 5 CH3COOH + 2 K2SO4 + 11 H2O + 4 MnSO4
Sb2S5 = Sb + S8 =>
8 Sb2S5 = 16 Sb + 5 S8
CaO + NH4Cl = H2O + CaCl2 + NH3 =>
CaO + 2 NH4Cl = H2O + CaCl2 + 2 NH3
C4H9OH + CuO = C4H7OH + H2O + Cu =>
C4H9OH + CuO = C4H7OH + H2O + Cu
CDSO4 + KOH = CD(OH)2 + K2SO4 =>
CDSO4 + 2 KOH = CD(OH)2 + K2SO4
FeSO4 = Fe2O3 + S02 + O3 =>
6 FeSO4 = 3 Fe2O3 + 3 S02 + 5 O3
NH4NO3 + HI = NH4I + HNO3 =>
NH4NO3 + HI = NH4I + HNO3
CO2C = CO =>
CO2C = 2 CO
C2H2NH2(g) + O2(g) = CO2(g) + H2O(g) + N2(g) =>
2 C2H2NH2(g) + 6 O2(g) = 4 CO2(g) + 4 H2O(g) + N2(g)
Cr2O7{2-} + Cl{-} + H3O{+} = Cr3{+} + H2O + Cl2 =>
3 Cr2O7{2-} + 34 Cl{-} + 42 H3O{+} = 2 Cr3{+} + 63 H2O + 17 Cl2
KOH + H2O = H3O{+} + KO{-} =>
KOH + H2O = H3O{+} + KO{-}
Zn + CaCO3 = ZnO + CaO + C =>
2 Zn + CaCO3 = 2 ZnO + CaO + C
KClO + HCl = KCl + H2OCl2 =>
KClO + 2 HCl = KCl + H2OCl2
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